Home Biology The Living World Previous Year Questions Which one is the wrong pairing for the disea…
Biology The Living World Previous Year Questions Single Correct MCQ
Published on: August 11, 2026

Which one is the wrong pairing for the disease and its causal organism?

A
Root-knot of vegetables – Meloidogyne sp
B
Late blight of potato – Alternaria solani
C
Black rust to wheat – Puccinia graminis
D
Loose smut of wheat – Ustilago nuda

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Text Solution

Verified by Experts
The correct answer is:
B

Late blight of potato is caused by Phytophthora infestans. Alternaria solani causes early blight, not late blight. Other pairs are correctly matched with their pathogens.

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